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Columbia County Planning and Building oversees land use, zoning, the comprehensive plan, and environmental uses. The department also provides building services for Columbia County, the City of Dayton, the Town of Waitsburg, the Town of Starbuck, and Garfield County.

We are continuously updating our website to better assist you. Please email Dena Martin at For security reasons, you must enable JavaScript to view this E-mail address. if you have questions regarding the Planning and Building Department website or if you have any comments on how we can make this website more useful for you.

The Board of Columbia County Commissioners has scheduled additional evening work session hours each month to receive public comments and questions from citizens. The Board will hold regular evening work session hours on the 3rd Monday of Each Month
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Are you prepared to travel in 2020?
Your standard license/ID is good for domestic air travel until September 30, 2020.
After that, you will need a federally acceptable document for airport security. Follow the link below for more information on what
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